'87 5KCSQ brakes not releasing properly

[Sheffield Corey]

Hi fellow audinauts,

It has been a few year since I last subscribed to the
"list". It has a whole new look. As those of you who
may remember me, might remember, I spend alot of time
out of the country and the list did then, and probably
still does, generate alot of posts. Hence, I
unsubscribed. I am having a few problems with my car.
The biggest one is that during stop and go driving the
brakes reach a point where they refuse to release all
the way. It started last Summer and I thought it was
heat related so I had them bled...didn't help. Shortly
there after I replaced the rear calipers and put in
stainless brake lines all the way around...didn't
help. On short drives it doesn't happen; only drives
over 15 miles or 25 minutes. Symptoms are a very hard
brake pedal with alot of drag at the brakes. The
fronts will get quite hot. Pumping down the
"bomb/grenade" does nothing for this problem.

Help!!! As my girlfriend is getting quite annoyed that
we away have to take her vehicle on longer trips:-)

As always,
         your friend,

Shef

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